Home / 6,834.20-9,411.81-6,156.23

Finding the Fourth Proportional to 6,834.20, 9,411.81 and 6,156.23

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Solution

The fourth proportional to 6,834.20, 9,411.81 and 6,156.23 is: 8,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,834.20 : 9,411.81 = 6,156.23 : x
  2. Step 2: Convert to fraction form
    6,834.20/9,411.81 = 6,156.23/x
  3. Step 3: Cross multiply
    6,834.20x = 9,411.81 × 6,156.23
  4. Step 4: Simplify right side
    6,834.20x = 57,941,267.08
  5. Step 5: Solve for x
    x = 57,941,267.08/6,834.20
  6. Step 6: Final answer
    x = 8,478.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.